Some more dataset loading fixes
Some more dataset loading fixes

joegomes/deepchem,joegomes/deepchem,deepchem/deepchem,Agent007/deepchem,peastman/deepchem,Agent007/deepchem,miaecle/deepchem,peastman/deepchem,ktaneishi/deepchem,miaecle/deepchem,Agent007/deepchem,lilleswing/deepchem,deepchem/deepchem,rbharath/deepchem,rbharath/deepchem,miaecle/deepchem,lilleswing/deepchem,ktaneishi/deepchem,lilleswing/deepchem,ktaneishi/deepchem